System and method for detecting the seat occupancy in a vehicle

Details System and method for detecting the seat occupancy in a vehicle System and method for detecting the seat occupancy in a vehicle

2006-08-15

2006-08-15

Dunn, David R. (Department: 3616)

Land vehicles

Wheeled

Attachment

C342S072000

Reexamination Certificate

active

07090247

ABSTRACT:
A system for detecting the seat occupancy in a vehicle includes a microwave transmitter (10) and a plurality of small-area reflectors (12) which are arranged in the vehicle. By activating or deactivating the different reflectors (12) during different time intervals, the reflectors (12) can be identified via the unequivocal assignment between the time intervals and the reflectors. This makes it possible to use narrow-band microwave radiation, since it is then not absolutely necessary to identify the reflectors (12) with the aid of different frequencies. It is also possible to arrange receivers in the seat (20) instead of reflectors (12).

REFERENCES:
patent: 6084530 (2000-07-01), Pidwerbetsky et al.
patent: 6199904 (2001-03-01), Dosdall
patent: 6220627 (2001-04-01), Stanley
patent: 6243012 (2001-06-01), Shober et al.
patent: 6462701 (2002-10-01), Finn
patent: 6809629 (2004-10-01), Heide et al.
patent: 199 57 557 (2001-06-01), None
Williamson et al.; “A coded radar reflector for remote identification of personnel and vehicles”; IEEE; 1993.

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